Question: WHAT IS THE NEUTRON NUMBER OF SILVER?
Paraphrase: How many neutrons are in silver?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q1373385 . ?ent wdt:P1148 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: silver-132, silver-131, silver-130, silver-129, silver-129m